답변 있음
How to; For loop of angle in projectile motion
You are not updating the theta0 to find the range. You need to input theta0 to the function. clc; clear all ; g = 9.82; %grav...

3년 초과 전 | 1

답변 있음
Plot a 3d surface
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1101840/Ex12.xlsx') ; data = table2array(T) ; x =...

3년 초과 전 | 0

답변 있음
Ploting a 3d figure by exel data
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1101815/Ex12.xlsx') ; data = table2array(T) ; x =...

3년 초과 전 | 0

답변 있음
How to save outputs from previous iterations and plot
n = 180 ; a = zeros(1,n) ; a(1) = 20000; R = 0.06; r = R/12; z = amortization(a(1),R,n); for i = 2:n b = a(i-1)*r...

3년 초과 전 | 0

| 수락됨

답변 있음
How to sort all rows in one table based on one row from the table and another table
Read about ismember T1 = {'Mom', 'Dad' 'Sister'} ; T2 = {'Sister', 'Mom', 'Dad'}; [c,ia] = ismember(T1,T2) ; T2(ia) Now use...

3년 초과 전 | 0

답변 있음
Spline interpolation of 4D matrix
A = rand(450,450,50,3) ; B = zeros(size(A)) ; for i = 1:450 for j = 1:450 for k = 1:50 B(i,j,k,:) ...

3년 초과 전 | 0

답변 있음
How to take average of such an array?
% Make data for demo A = cell(6,2) ; for i = 1:6 for j = 1:2 A{i,j} = rand(1,10) ; end end % Get mean i...

3년 초과 전 | 0

답변 있음
How to get sample names from scatter plot in classification learner
If you have feature1, feature2 in hand, you can use knnsearch to get the index and then check the sample name. If you are havi...

3년 초과 전 | 0

| 수락됨

답변 있음
Why does not string(f.name) work, f = dir(folder)?
folder = "~/Documents" f = dir(folder) ; % f is a structure for i = 1:length(f) f(i).name end

3년 초과 전 | 1

답변 있음
Plotting the function on a Sphere?
r = 1 ; th = linspace(0,2*pi) ; phi = linspace(0,pi) ; [T,P] = meshgrid(th,phi) ; X = r*cos(T).*sin(P) ; Y = r*sin(T).*sin(...

3년 초과 전 | 0

답변 있음
Generate a sequence/vector of randomized letters
a='A':'Z'; letters= a(randi(numel(a), 1, 10)) iwant = strjoin(cellstr(letters'),',')

3년 초과 전 | 1

| 수락됨

답변 있음
Plot 2-d contour of 3D dataset
How about this? T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1099910/data_16082022.csv') ; x ...

3년 초과 전 | 0

답변 있음
Solve the following differential equations using Matlab.
syms p(x) ode = diff(p)+8*p==9 ; cond = p(0)==-1 ; pSol(x) = dsolve(ode,cond)

3년 초과 전 | 0

답변 있음
Compare 2 Matrixs Different Dimension With For
A = [1 1 1 1 2 4 2 3 2 1]; B = [4 1 3 1 2]; idx = A'==B

3년 초과 전 | 0

| 수락됨

답변 있음
Create an image from x and y locations with greyscale value
data = [0 0 255 0 0.5 70 0 1 111 0.5 0 26 0.5 0.5 26 0.5 1 255 1 0 108 1 0.5 26 1 1 70] ; x = data(:,1) ; y = data(:...

3년 초과 전 | 0

답변 있음
getting x and y values and writing them
Already you have data in hand. If you want to write that into a file use: data = [t(:) x(:)] ; writematrix(data,'data.txt') ;...

3년 초과 전 | 0

| 수락됨

답변 있음
How to draw phase portrait
plot(t,xa(:,1)) In the baove use your required index for the column and plot. You can use quiver, if you have vectors. Assumin...

3년 초과 전 | 0

답변 있음
3D dose plot and color wash
T = readtable('myfile.xlsx') ; scatter3(T.(1),T.(2),T.(3),[],T.(4),'filled')

3년 초과 전 | 0

| 수락됨

답변 있음
I HAVE A KEY WHICH IS 1*16 MATRIX. HOW CAN I DETERMINE IT'S BIT SIZE?
KEY=[0 0 1 0 3 12 8 7 7 8 12 3 0 1 0 0] ; a = single(KEY) ; iwant = whos('a')

3년 초과 전 | 0

| 수락됨

답변 있음
Create a structure of a field in the workspace
You can save them into a matfile and access, as you like. A = 1 ; B = 2; C = 3 ; save Test.mat ; S = matfile('Test.ma...

3년 초과 전 | 0

답변 있음
append data to the already existed .txt file horizontally
T1 = readtable('file1.txt') ; T2 = readtable('file2.txt') ; T = [T1 T2] ; writetable(T,'file.txt')

3년 초과 전 | 0

답변 있음
overlap the same data 5 times
Let M be the matrix in your mat file. matFiles = dir('*.mat') ; N = length(matFiles) ; iwant = []; for i = 1:N S = ma...

3년 초과 전 | 0

답변 있음
How to determine an y value at a specific x value?
Read about interp1

3년 초과 전 | 0

답변 있음
How to get the first derivative of pixels along of line?
REad about gradient

거의 4년 전 | 0

답변 있음
How to plot this ellipse
syms s1 s2 t = 0 ; eqn = s1^2-15.156*s1*s2+229.7*s2^2+488.8*t^2+6844000*s2==4.752*10^10 ; fimplicit(eqn,[-600000 200000 -100...

거의 4년 전 | 1

답변 있음
Integrate a polyfit-polyval in matlab, I would appreciate any input. I want to calculate the integral of the sine function from a trend li
%% Integration p2=polyfit(X,Y,4); fun = @(x) p2(1)*x.^4+p2(2)*x.^3+p2(3)*x.^2+p2(4)*x+p2(5) ; % using p2 from polyfit val =...

거의 4년 전 | 0

| 수락됨

답변 있음
solve equation numerically 1=(1/y)x*exp(x*y)
syms x y f = 1==1/y*x*exp(x*y) solve(f,x) solve(f,y)

거의 4년 전 | 0

답변 있음
How to remove leading zeros in decimal representation?
A = [23, 15, 256, 75]; B= dec2bin(A) strip(string(B),'left','0')

거의 4년 전 | 1

| 수락됨

답변 있음
I want to select an Excel file by it's extension
%% Here only 1 Excel file will be present in ComparySummary folder. And I want select that Excel file with FilePath %% FilePath...

거의 4년 전 | 0

답변 있음
How to retrieve the specific rows with all the columns in the dataset?
I hope the dataset is in the form of a table. So your table is going to be of size 2832x4. idx = T.Time==1.5 ; T1 = T(idx,:) ...

거의 4년 전 | 0

| 수락됨

더 보기